Good morning - stripping down a suffix B Gearbox and the main shaft has a D stamped into it? I think this has been added due to the Suffix D gearbox having stronger internals if I'm not correct?
D box reverse idler got a bearing instead of a bush.
Tidy idiot guide to the LT76 on LRUK forum. [ not saying you are an idiot, just what it is called.]